/* Anwesend — shared styles
   Palette encodes meaning: indigo = recorded, amber = uncertain.
   The same two colours are used in the product UI for session confidence. */

:root {
  --ground:      #E7E9E3;
  --ground-deep: #DADDD4;
  --paper:       #F3F4F0;
  --ink:         #16202A;
  --ink-soft:    #4A5560;
  --indigo:      #26418F;
  --indigo-pale: #DDE2F0;
  --amber:       #B8811A;
  --amber-pale:  #F0E6D0;
  --rule:        #B4B9AE;

  --display: 'Archivo', system-ui, sans-serif;
  --body:    'Newsreader', Georgia, serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;

  --measure: 34rem;
  --gutter:  clamp(1.25rem, 5vw, 4rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1.0625rem, 0.4vw + 1rem, 1.1875rem);
  line-height: 1.62;
  font-optical-sizing: auto;
}

a { color: var(--indigo); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible,
button:focus-visible { outline: 2.5px solid var(--indigo); outline-offset: 3px; }

.wrap { max-width: 62rem; margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: var(--measure); }

/* ---------- masthead ---------- */

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.masthead nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.masthead nav a { color: var(--ink-soft); text-decoration: none; }
.masthead nav a:hover { color: var(--indigo); text-decoration: underline; }

/* ---------- type ---------- */

h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.022em;
  margin: 0 0 1.25rem;
  text-wrap: balance;
}

h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.012em;
  margin: 0 0 1rem;
}

h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.005em;
  margin: 0 0 0.5rem;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
}

.lede { font-size: 1.1875rem; color: var(--ink-soft); }

section { padding-block: clamp(3rem, 7vw, 5.5rem); }
section + section { border-top: 1px solid var(--rule); }

/* ---------- hero ---------- */

.hero { padding-block: clamp(3.5rem, 9vw, 7rem) clamp(2rem, 4vw, 3rem); }
.hero p { max-width: var(--measure); }

/* ---------- the ledger (signature element) ---------- */

.ledger {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  margin-block: 2.5rem 0;
}

.ledger-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}

.track { position: relative; height: 2.75rem; background: var(--ground-deep); }

.seg {
  position: absolute;
  top: 0;
  height: 100%;
  transform-origin: left center;
}

.seg--on { background: var(--indigo); }
.seg--uncertain {
  background: repeating-linear-gradient(
    115deg, var(--amber) 0 5px, var(--amber-pale) 5px 10px
  );
}

.axis { position: relative; height: 1.75rem; margin-top: 0.5rem; }

.tick {
  position: absolute;
  top: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  transform: translateX(-50%);
  white-space: nowrap;
}
.tick::before {
  content: "";
  position: absolute;
  top: -0.5rem;
  left: 50%;
  width: 1px;
  height: 0.35rem;
  background: var(--rule);
}

.readout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.readout dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.readout dd {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.flag {
  margin-top: 1.75rem;
  padding: 1rem 1.125rem;
  background: var(--amber-pale);
  border-left: 3px solid var(--amber);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.flag strong { font-family: var(--display); font-weight: 600; }

/* ---------- two-column ledger of what is and isn't recorded ---------- */

.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: clamp(1.75rem, 4vw, 3.5rem);
  margin-top: 2.5rem;
}

.cols h3 {
  padding-bottom: 0.625rem;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 1.125rem;
}
.cols .col--no h3 { border-bottom-color: var(--rule); color: var(--ink-soft); }

.cols ul { list-style: none; margin: 0; padding: 0; }
.cols li {
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--rule);
}
.col--no li { color: var(--ink-soft); text-decoration: line-through; text-decoration-color: var(--rule); }

/* ---------- numbered install sequence ---------- */

.steps { counter-reset: step; margin-top: 2.5rem; display: grid; gap: 1.75rem; }

.step {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1.25rem;
  align-items: start;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--indigo);
  padding-top: 0.2rem;
}
.step p { margin: 0.25rem 0 0; font-size: 0.9688rem; color: var(--ink-soft); }

/* ---------- call to action ---------- */

.cta { text-align: center; }

.button {
  display: inline-block;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  background: var(--indigo);
  color: var(--paper);
  padding: 0.9rem 2.25rem;
  text-decoration: none;
  margin-top: 1.5rem;
  transition: background 0.15s ease;
}
.button:hover { background: var(--ink); }

.requirement {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-top: 1.25rem;
}

/* ---------- document pages ---------- */

.doc { padding-block: clamp(2.5rem, 6vw, 4rem); }
.doc h2 { margin-top: 2.75rem; }
.doc h3 { margin-top: 1.75rem; }
.doc p, .doc li { max-width: var(--measure); }
.doc ul { padding-left: 1.125rem; }
.doc li { margin-bottom: 0.5rem; }
.doc table { border-collapse: collapse; width: 100%; max-width: var(--measure); margin-block: 1.25rem; font-size: 0.9375rem; }
.doc th, .doc td { text-align: left; padding: 0.625rem 0.75rem 0.625rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.doc th { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); font-weight: 400; }

.updated {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.notice {
  background: var(--indigo-pale);
  border-left: 3px solid var(--indigo);
  padding: 1rem 1.125rem;
  font-size: 0.9375rem;
  margin-block: 1.5rem;
  max-width: var(--measure);
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--rule);
  padding-block: 2.5rem 3.5rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 2rem;
}

footer h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
  margin: 0 0 0.75rem;
  color: var(--ink);
}
footer p { margin: 0 0 0.35rem; line-height: 1.55; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin-bottom: 0.35rem; }

/* ---------- motion ---------- */

@keyframes draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.seg { animation: draw 0.7s cubic-bezier(0.22, 1, 0.36, 1) backwards; }
.seg:nth-of-type(1) { animation-delay: 0.15s; }
.seg:nth-of-type(2) { animation-delay: 0.5s; }
.seg:nth-of-type(3) { animation-delay: 0.85s; }

@media (prefers-reduced-motion: reduce) {
  .seg { animation: none; }
  * { transition-duration: 0.01ms !important; }
}